December · United Kingdom
Best time to visit London in December Weather, crowds & prices
Weather in London in December
Average temperature 6°C, 69 mm of rain, about 0 days with 6+ hours of sunshine and 94% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
4.3/10
Ranked #11 of 12 months
- Avg temp
- 6°C
- Rainfall
- 69 mm
- Humidity
- 94%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in London scores 4.3/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 6°C, 69 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
A historic capital of theatres, museums, and rain-kissed culture, where mild summers invite leisurely strolls through its storied streets.
December in London: expect compromises
December averages 6°C (43°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 69 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 7.6 hours of daylight.
It scores 4.3/10 here, 11th of 12 months, against 9.4/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? June scores 5.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in London in December?
- In December, London averages 6°C, 69 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.3/10.
- Is December a good time to visit London?
- December earns a 4.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in London in December?
- Expect about 69 mm of rain in December. Average humidity is 94% and there are about 0 days with 6+ hours of sunshine.
Curated in London
Tickets & experiences
Things to do in London
London, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.